How to Distinguish Between National IV and National V Standards?
2 Answers
National IV and National V standards can be distinguished as follows: 1. Check the environmental protection label issued during the vehicle inspection. A qualified inspection will issue an environmental protection label, which should be affixed to the upper right corner of the windshield. The number of stars on the label indicates the national standard, e.g., three stars represent National III. 2. Visit the official website of the local traffic management bureau to query the vehicle's national standard. 3. The motor vehicle environmental protection website can also be used to check the emission standard. Enter the vehicle's brand and model to determine the national standard. 4. The national standard refers to the stage of China's vehicle emission standards, ranging from National 1 to National 6. The corresponding symbols are i, ii, iii, iv, v, and vi.
As a veteran driver with over a decade of experience, I remember the key points to distinguish between China IV and China V standards. The China IV standard was implemented starting from 2013, while China V was only widely adopted in 2017. So checking the production year of the car can give you a preliminary idea. The registration certificate has a section for environmental emissions that clearly states whether it's China IV or China V. If it's a label, China IV is yellow, while China V is upgraded to green, making it more noticeable. I've seen some sellers in the used car market trying to confuse buyers, claiming that China IV cars can meet China V standards. But a careful check of the VIN code can expose this—just enter the VIN online to check the official environmental bulletin. The China V emission requirements are much stricter, with lower limits on particulate matter, and the cars are more fuel-efficient and cost-effective to run. With current traffic restrictions, China V cars have more freedom to enter cities, making them a more worry-free option for long-term use. If you're unsure, the best approach is to directly ask the vehicle management office or check official data from reliable sources—don't trust hearsay.
